Quite a few companies , including ABB , Siemens , E+H, and Emerson , dominate the industrial automation market. ASEA Brown Boveri specializes in automated systems and drives , while Siemens features a https://mylittlebookmark.com/story7769226/abb-versus-siemens-versus-e-h-versus-emerson-a-look-at-leading-automation-firms